نتایج جستجو برای: keywords arc welding
تعداد نتایج: 2020129 فیلتر نتایج به سال:
I. Abstract: The prediction of the optimal weld bead width is an important aspect in shielded metal arc welding (SMAW) process as it is related to the strength of the weld. This paper focuses on investigation of the development of the simple and accurate model for prediction of weld bead width of butt joint of SMAW process. Artificial neural networks technique was used to train a program in C++...
About one million workers worldwide are engaged in welding processes, where they are exposed to a complex mixture of inhalable pollutants. Adverse effects in the respiratory system can occur due to this occupational exposure. Currently, legislative limits only exist for inhalable and alveolar particles. However, epidemiologic and toxicologic studies show that especially ultrafine particles (UFP...
pulsed current plasma arc welding (pcpaw) is one of the most widely used welding processes in sheet metal manufacturing industry. in any fusion arc welding process, the weld bead geometry plays an important role in determining the mechanical properties of the weld and hence quality of the weld. moreover, the geometry of weld bead involves several simultaneously multiple quality characteristics...
In general, it is desirable to finish the weld quickly, before a large volume of surrounding metal heats up and expands. The welding process used, type, welding current and speed of travel, thus, affect the degree of shrinkage and distortion of a weldment. The use of mechanized welding equipment reduces welding time, metal affected zone and consequently distortion. This article helps to define ...
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